%msg&sql(CREATEGLOBALTEMPORARYTABLETempEmp(EMPNUMINTNOTNULL,NAMELASTCHAR(30)NOTNULL,NAMEFIRSTCHAR(30)NOTNULL,CONSTRAINTEMPLOYEEPKPRIMARYKEY(EMPNUM)))ifSQLCODE=0{w!,"表创建"}else{w!,"SQLCODE=",SQLCODE,": ",%msg}}
syntaxsql复制 -- Create a new table.CREATETABLE{database_name.schema_name.table_name|schema_name.table_name|table_name} ( {column_name<data_type>[<column_options>] } [ ,...n ] ) [WITH(<table_option>[ ,...n ] ) ] [;]<column_options>::=[COLLATEWindows_collation_name] [NULL|...
''',''')||''';'||E'\n';ENDIF;-- comment on columnFORv_column_comment_recordINSELECTcol.column_name, d.descriptionFROMinformation_schema.columns colJOINpg_catalog.pg_class cONc.relname=col.table_nameJOINpg_catalog.pg_namespace nsp
Here, the SQL command checks if a table namedCompaniesexists, and if not, it creates a table with specified columns. Create Table Using Another Existing Table In SQL, we can create a new table by duplicating an existing table's structure. Let's look at an example. -- create a backup t...
= column_set_name XML COLUMN_SET FOR ALL_SPARSE_COLUMNS <table_constraint> ::= [ CONSTRAINT constraint_name ] { { PRIMARY KEY | UNIQUE } [ CLUSTERED | NONCLUSTERED ] ( column_name [ ASC | DESC ] [ ,... n ] ) [ WITH FILLFACTOR = fillfactor | WITH ( <index_option> [ ,... ...
Then you will see the dialog to create a new table. So, let's create a new table calledherowith the following columns: id: anINTEGERthat will be theprimary key(checkPK✅). name: aTEXT, it should beNOT NULL(checkNN✅), so, it should always have a value. ...
= column_set_name XML COLUMN_SET FOR ALL_SPARSE_COLUMNS <table_constraint> ::= [ CONSTRAINT constraint_name ] { { PRIMARY KEY | UNIQUE } [ CLUSTERED | NONCLUSTERED ] ( column_name [ ASC | DESC ] [ ,... n ] ) [ WITH FILLFACTOR = fillfactor | WITH ( <index_option> [ ,... ...
支持内核:Presto、SparkSQL。 适用表范围:原生 Iceberg 表、外部表。 用途:创建一个表同时带一些属性,支持使用 CREATE TABLE AS 语法。 建表存储路径:建表存储路径支持指定至 COS 目录,不能指定到文件。 外部表语法 语法 CREATETABLE[IFNOTEXISTS]table_identifier ...
When we create a temporal table, we must specify two-period columns with datetime2 datatype. When the data changes occur in the table, the system records the datetime of the data change in the period tables. Along with the period columns, we must specify the history table, which stores th...
使用SQL 開發管線程式代碼 在Genie 空間中應用性能基準 下載PDF 閱讀英文 儲存 新增至集合 新增至計劃 共用方式為 Facebookx.comLinkedIn電子郵件 列印 Hive格式使用 CREATE TABLE 發行項 2025/03/31 3 位參與者 意見反應 適用於:Databricks Runtime 使用Hive格式定義資料表。